Event Monitor Cyber
EM-20261102-0UUZ VulnerabilityHigh severity

Netpbm Vulnerability (CVE-2026-120436)

CVE-2026-120436

Status
Developing

Since : signals keep joining.

First Signal
Nov 02 14:28 UTCC41 Red Hat Security Data
Page Born
Nov 02 15:17 UTCsecond source joined
Last Signal
Nov 02 15:17 UTC2 days before snapshot
Sources
21 official · 1 research, news or crowd
Open For
2 daysso far

Life Of This Page

  1. 1
    Born
    A second, independent source names it.
  2. 2
    Developing · Now
    New signals join; severity can move.
  3. 3
    Confirmed
    Not yet
    CISA KEV lists it, or exploitation in the wild is reported.
  4. 4
    Resolved
    Not yet
    Past the fix deadline and 14 days with no new signal.
  5. 5
    Archived
    Not yet
    30 days after resolved. Read only; the link keeps working. Reopens if it comes back.

The address and ID never change. A correction is logged, never overwritten. If two pages turn out to be one incident, the later one points to the earlier.

Vulnerability Lifecycle

  1. Disclosed: reached
    Nov 02 15:17 UTC
    C6 NVD published
  2. Scored: reached
    Nov 02 15:17 UTC
    CVSS 8.5 · EPSS 0.2%
  3. Exploited: not yet
    Not yet
    No exploitation reported
  4. Advisories: not yet
    Not yet
    None yet
  5. Vendor Response: reached
    Nov 02 14:28 UTC
    C41 published
  6. Resolved: not yet
    Not yet
    After 14 quiet days

Timeline

12:0018:00Nov 3BornC41 Red Hat Security DataC6 NVD CVE API 2.0

Point at a mark to read it. Squares are signals, colored by severity; every one is also listed under Signals.

Signals

  1. CVE-2026-120436 (CVSS 8.5) (opens source in a new tab) Netpbm before 10.86.51, 11.x before 11.02.30, and 11.03 before 11.15.08 contains an integer overflow in jbigtopnm that causes heap buffer overflow when computing output buffer size. Attackers can supply a crafted multi-p… High severityDatabaseC6 NVD CVE API 2.0
  2. Red Hat: CVE-2026-120436 (important) (opens source in a new tab) netpbm: netpbm: Arbitrary code execution via integer overflow in jbigtopnm High severityVendorC41 Red Hat Security Data